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add "nowatch" to disable a default installed watch with a later rule

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This commit is contained in:
Kay Sievers 2009-02-25 11:18:15 +01:00
parent 3d3a0a709a
commit 46f194cbde
1 changed files with 20 additions and 10 deletions
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30
udev/udev-rules.c
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@ -140,7 +140,7 @@ enum token_type {
TK_A_IGNORE_DEVICE,
TK_A_STRING_ESCAPE_NONE,
TK_A_STRING_ESCAPE_REPLACE,
TK_A_INOTIFY_WATCH,
TK_A_INOTIFY_WATCH, /* int */
TK_A_NUM_FAKE_PART, /* int */
TK_A_DEVLINK_PRIO, /* int */
TK_A_OWNER, /* val */
@ -183,7 +183,6 @@ struct token {
union {
unsigned int attr_off;
int ignore_error;
int i;
unsigned int rule_goto;
mode_t mode;
uid_t uid;
@ -191,6 +190,7 @@ struct token {
int num_fake_part;
int devlink_prio;
int event_timeout;
int watch;
};
} key;
};
@ -354,7 +354,6 @@ static void dump_token(struct udev_rules *rules, struct token *token)
case TK_A_IGNORE_DEVICE:
case TK_A_STRING_ESCAPE_NONE:
case TK_A_STRING_ESCAPE_REPLACE:
case TK_A_INOTIFY_WATCH:
case TK_A_LAST_RULE:
case TK_A_IGNORE_REMOVE:
dbg(rules->udev, "%s\n", token_str(type));
@ -363,6 +362,9 @@ static void dump_token(struct udev_rules *rules, struct token *token)
dbg(rules->udev, "%s %s '%s'(%s) %#o\n",
token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode);
break;
case TK_A_INOTIFY_WATCH:
dbg(rules->udev, "%s %u\n", token_str(type), token->key.i);
break;
case TK_A_NUM_FAKE_PART:
dbg(rules->udev, "%s %u\n", token_str(type), token->key.num_fake_part);
break;
@ -1023,7 +1025,6 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
case TK_A_IGNORE_DEVICE:
case TK_A_STRING_ESCAPE_NONE:
case TK_A_STRING_ESCAPE_REPLACE:
case TK_A_INOTIFY_WATCH:
case TK_A_IGNORE_REMOVE:
case TK_A_LAST_RULE:
break;
@ -1031,9 +1032,8 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
token->key.value_off = add_string(rule_tmp->rules, value);
token->key.ignore_error = *(int *)data;
break;
case TK_A_INOTIFY_WATCH:
case TK_A_NUM_FAKE_PART:
token->key.num_fake_part = *(int *)data;
break;
case TK_A_DEVLINK_PRIO:
token->key.devlink_prio = *(int *)data;
break;
@ -1516,10 +1516,20 @@ static int add_rule(struct udev_rules *rules, char *line,
rule_add_key(&rule_tmp, TK_A_NUM_FAKE_PART, 0, NULL, &num);
dbg(rules->udev, "creation of partition nodes requested\n");
}
pos = strstr(value, "watch");
pos = strstr(value, "nowatch");
if (pos != NULL) {
rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, 0, NULL, NULL);
dbg(rules->udev, "inotify watch of device requested\n");
const int off = 0;
rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, 0, NULL, &off);
dbg(rules->udev, "inotify watch of device disabled\n");
} else {
pos = strstr(value, "watch");
if (pos != NULL) {
const int on = 1;
rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, 0, NULL, &on);
dbg(rules->udev, "inotify watch of device requested\n");
}
}
continue;
}
@ -2254,7 +2264,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
udev_device_set_num_fake_partitions(event->dev, cur->key.num_fake_part);
break;
case TK_A_INOTIFY_WATCH:
event->inotify_watch = 1;
event->inotify_watch = cur->key.watch;
break;
case TK_A_DEVLINK_PRIO:
udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio);